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SeedSigner
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Build your own airgapped, stateless bitcoin signing device for less than most hardware wallets. 🤘 Not set up for zaps, if you'd like to donate to our contributors please go to https://donate.seedsigner.com

Then buying a kit might be a better option to explore what we're doing, it's not as challenging as you may think. 🙂

If bitcoin is "fuck you" money, SeedSigner is a "fuck you" way to secure it.

Great listen for a long road trip today.

This is quickly becoming my happy place.

My first thought is that b/c with SeedSigner you're dealing with words/QRs that represent your PK, your surroundings and potential video surveillance should already be front of mind. But as to your specific question, haven't thought a ton about this threat and am not aware of any specific countermeasures out there.

Big 🧡 for this. nostr:note1pamqz8tkpu64l2twm5n4u5lsw5vj44sxsa4uhhl4nxwjcjerpqxq2yqyax

The peer support provided in our Telegram community by a pseudonymous SeedSigner contributor named "Jean Do" is 💯% top notch.

Helping others learn and secure their savings feels like the purest embodiment of bitcoin's values. 🙌 🧡

https://t.me/joinchat/GHNuc_nhNQjLPWsS

Coldpower is a no go with SeedSigner -- not enough power to drive all of the components, camera activation will commonly cause a software crash. The usb port closest to the thumbstick is hard wired for power only, so if you use that port, "offline" power isn't really necessary.

For some reason my DMs in damus are super unreliable -- I don't see anything there right now. Feel free to email me at btc.hardware.solutions@gmail.com

Those are purchased, everything else is printed. 🙂

It's called a purge block, it's purpose AFAIK is to ensure that all of the previous color has been spent from the extruder before a new color has begun, can also help mitigate issues from air pockets that could have been introduced to the extruder during the filament change.